Summary: Did you have any problem when you want to import 4K MXF videos to After Effects CC on Mac El Capitan? In this awesome article, I will show you how to resolve this problem.

Mac’s latest OS - El Capitan brings new experience for us, Mission Control, Split View, etc. As part of Apple’s fans, we’re satisfied to see these functions. Because these features save much time for us on work. But, when a new OS is released, there always some compatibility issues happen between applications and new OS El Capitan. I believe you have found some strange problem when you wanna edit some 4K MXF videos in After Effects CC whose most exciting new feature is the Live 3D Pipeline. Somethings like this below:

After Effects CC 2015 is unable to import .mxf files generated by Sony cameras, such as the FS700, F5, F55, and F65. Trying to import such a file results in an error, “file ‘<file name>.mxf’ can not be imported – this .mxf file is damaged or unsupported”. - blogs.adobe.com

Why does this happen? That’s because Adobe After effects CC on Mac El Capitan can render to the part of MXF videos, but it can’t handle all original Ultra HD MXF files. It depends on what codec is the MXF videos. Nowadays, MXF format has been widely used by most professional camcorder. So we’d better find a way to let MXF videos editable in the professional rendering software - After Effects CC which has supported forAdobe Anywhere.

Here is an easy way to help you fix it. You only need to transcode 4K MXF files to a format which After Effects CC can support fully. I’d like to introduce a professional program to help you finish this process. Pavtube MXF Converter for Mac can transcode MXF to an editable format by After Effects CC. This MXF to AE CC Converter is designed to transform all types of MXF videos. It also allows you to convert MXF to any other format as you want for importing into different design applications, such as Premiere Pro, After Effects, iMovie, FCP X, Avid Media Composer, and more. Just download it and follow the workflow using After Effects CC with MXF files on Mac OS X El Capitan.

Step by Step to Show You How to Import 4K MXF videos to After Effects CC on Mac El Capitan

Step 1. Load MXF files to the software

Click "Add Video" or "Add from folder" button on the top menu to browse and choose MXF videos you want to convert.

Step 2. Choose the proper output format.

To output the proper output format for AE CC, just click the drop-down list besides "Format", choose "Adobe Premiere/Sony Vegas > MOV(AVC)(*.mov)" as the most compatible format as well as best video quality for After Effects CC.

Step 3. Edit MXF with video editor (Optional)

Before converting and transferring MXF files to AE CC, you can use the video editor to do some pre-editing work like cutting unwanted segments, crop annoying black edges in your videos, add watermarks for remarks or fun, add special effects, etc.

Step 4. Start converting MXF videos.

Click the red "Convert" button in the mail UI to start MXF to MOV conversion. You can find your videos by clicking on "Open" button.Then you can import them to After Effects CC for free editing.

Related Software:Pavtube HD Video Converter for Mac: If you need to transcode more formats into After Effects CC, like XAVC, AVCHD. You definitely should try our another software - Pavtube HD Video Converter for Mac. This tool can help you finish this in a very short time.